Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8066444 | Disposable wipe with substance-filled blisters | Chi Hao P. Duong | 2011-11-29 |
| 7958590 | Cleaning tool handle for use with a disposable toilet brush | Susan M. Trefethren, Craig M. Thoms, Brian James Ludka, Maggie VanderHeiden Berger, Christopher James Uecker +1 more | 2011-06-14 |
| 7921497 | Carpet stain removal device | Stephen Bradford Cook, Brian James Ludka, Gregory J. Rajala | 2011-04-12 |